Quantum model - Study guides, Class notes & Summaries
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FINAL EXAM CHEM 219 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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The speed of a wave (c) is the product of its frequency (ν) and wavelength (λ). 
Correct Answer: E = hv = h x c / λ 
nm to m 
or 
m to nm 
Correct Answer: 1 m / 10^9 nm 
or 
10^9 nm / 1 m 
What is the maximum number of electrons that can have the quantum numbers n = 3, ℓ 
= 2, mℓ = -2? 
Correct Answer: The Pauli exclusion principle states that no two electrons in a given 
atom can share the same set of four quantum numbers (n, ℓ, mℓ, ms). This set of 
quantum numbers contains three...
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ISQS Exam 3 Questions and Answers(A+ Solution guide)
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What are the duties and responsibilities of a software developer? - ️️1. Develop 
and test software to meet consumers' and clients' needs. 
2. Recommend and develop upgrades for existing applications. 
3. Create models and diagrams to show programmers the code needed for applications. 
4. Monitor quality and performance of applications through testing and maintenance. 
5. Document all work for future reference. 
Selection - ️️- Selection statements allow branching logic in programs 
- ...
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Introduction to Quantum Mechanics Graded A+
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Introduction to Quantum Mechanics Graded A+ 
Back to Bohr: Bohr gave us Quantization 
Quantization means electrons can only exist in certain discrete energy levels 
(like a staircase, they can only completely be on the first or second stair but never in between stairs 
different distances from ground) 
If you recall rings= orbits 
e- must be in a _______ and e- are different distances(or E) from ________ orbit; nucleus 
Bohr was Bad: Bohr model of the atom could predict the ____________ _...
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ACS EXAM Review 2024 Study Questions and Answers
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Rutherford's Gold Foil Experiment - proposed that atoms consist of a tiny, massive, positive nucleus surrounded by electrons 
 
nucleus - contains all the positive charge and nearly all the mass of the atom 
 
James Chadwick - discovered the neutron 
 
cathode rays - move from negative electrode to positive electrode (like electrons in a voltaic cell) 
 
Thompson's Cathode Ray Experiment - discovery of the electron (also the discovery that atoms are divisible into smaller particles) 
 
Milliki...
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Chem 219: Exam Questions With 100% Correct Answers
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Chem 219: Exam Questions With 100% 
Correct Answers 
The speed of a wave (c) is the product of its frequency (ν) and wavelength (λ). 
E = hv = h x c / λ 
nm to m 
or 
m to nm 
1 m / 10^9 nm 
or 
10^9 nm / 1 m 
What is the maximum number of electrons that can have the quantum numbers n 
= 3, ℓ = 2, mℓ = -2? 
The Pauli exclusion principle states that no two electrons in a given atom can share the 
same set of four quantum numbers (n, ℓ, mℓ, ms). This set of quantum numbers contains 
thr...
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BCH 463: BIOPHYSICAL CHEMISTRY FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS
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BCH 463: BIOPHYSICAL CHEMISTRY FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS 
 
What is the "average energy" in the equation that Planck used to fix the Rayleigh-Jean classical prediction on blackbody radiation? 
 
(A) hν/(e^(hν/(k_B T))-1) 
(B) 8πν/c^3 
(C) k_B T 
(D) nhv - correct answer (A) hν/(e^(hν/(k_B T))-1) 
 
As seen in the image, if the 8π^3/c^3 terms are ignored, the simplified expression is the answer. 
 
The following figure shows the measurement of the energy density emitte...
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Test Bank for Chemical Principles, 8th Edition by Peter Atkins
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Test Bank for Chemical Principles: The Quest for Insight 8e 8th Edition by Peter Atkins; Loretta Jones; Leroy Laverman; Kelley Young; James Patterson. Full Chapters are included (Focus 1 to Focus 10 are included) 
 
Focus 1: Atoms 
1A Investigating atoms 
1B Quantum theory 
1C Wavefunctions and energy levels 
1D The hydrogen atom 
1E Many-electron atoms 
1F Periodicity 
 
Focus 2: Bonds Between Atoms 
2A Ionic bonding 
2B Covalent bonding 
2C Beyond the octet rule 
2D The properties of bonds 
2...
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Quantum Mechanics Already Graded A+
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Quantum Mechanics Already Graded A+ 
Max Planck : German physicist who solved the problem of why different wave lengths are 
emitted at different temperatures- proposed that the energy absorbed or emitted by an object could 
only occur in "pieces"- which he called quantum 
Wener Heisenberg : German theoretical physicist- published his theory on quantum 
mechanics when he was 23- concluded that it is impossible to make a measurement on an object 
without disturbing the object 
Albert...
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DAT General Chemistry Exam Solution.
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Atomic Number - correct answer number of protons found in that atom; low number; (Z) 
 
Mass Number - correct answer Protons + Neutrons; high number; (A) 
 
Atomic Mass - correct answer relative mass of that atom compared to the mass of a carbon-12 atom (which is set at 12.00); measured in amu; 
 
1 amu = - correct answer 1.66x10^-24 
 
Atomic Weight - correct answer weight (g) of one mole (mol) of a given element (g/mol); the weighted average of all the masses (not the weights) of an element, w...
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Test Bank for College Physics, 12th Edition by Raymond A. Serway
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Test Bank for College Physics 12e 12th Edition by Raymond A. Serway, Chris Vuille, John Hughes. Full Chapters test bank are included with answers (Chapter 1 to 30) Complete Guide 
 
1. Units, Trigonometry, and Vectors. 
Standards of Measurements. Measurement Uncertainty and Estimation. Math Review. Vectors. Overview of Physics. 
2. Motion in One Dimension. 
Displacement, Velocity, and Acceleration. Motion Diagrams and Graphs. One-Dimensional Motion with Constant Acceleration. Freely Falling Obje...
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